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// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/// @assertion A conditional expression evaluates one of two expressions
/// based on a boolean condition.
/// conditionalExpression:
/// ifNullExpression ('?' expressionWithoutCascade ':'
/// expressionWithoutCascade)?
/// ;
/// @description Checks that '?' expression is necessary.
/// @compile-error
/// @author msyabro
main() {
try {
true 1 : 2;
} catch (e) {}
}